Finding the Fourth Proportional to 443,333.10, 665,139.14 and 158,829.76

Step by Step Solution

1. Step 1: Write the proportion equation
   443,333.10 : 665,139.14 = 158,829.76 : x
2. Step 2: Convert to fraction form
   443,333.10/665,139.14 = 158,829.76/x
3. Step 3: Cross multiply
   443,333.10x = 665,139.14 × 158,829.76
4. Step 4: Simplify right side
   443,333.10x = 105,643,891,499.11
5. Step 5: Solve for x
   x = 105,643,891,499.11/443,333.10
6. Step 6: Final answer
   x = 238,294.62